Finding the Fourth Proportional to 161,659,280.92, 223,089,897.16 and 87,319,841.08
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Solution
The fourth proportional to 161,659,280.92, 223,089,897.16 and 87,319,841.08 is: 120,501,429.03
Step by Step Solution
- Step 1: Write the proportion equation
161,659,280.92 : 223,089,897.16 = 87,319,841.08 : x - Step 2: Convert to fraction form
161,659,280.92/223,089,897.16 = 87,319,841.08/x - Step 3: Cross multiply
161,659,280.92x = 223,089,897.16 × 87,319,841.08 - Step 4: Simplify right side
161,659,280.92x = 19,480,174,366,564,744 - Step 5: Solve for x
x = 19,480,174,366,564,744/161,659,280.92 - Step 6: Final answer
x = 120,501,429.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.